Subaru Crosstrek 2019–2020 — technical service bulletin
Bulletin 11-198-20 · NHTSA communication 10171918 · issued Feb 11, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
2
vehicle entries
Official summary
This bulletin announces availability of reprogramming files to optimize the engineâ s electronic control module (ECM). These new files address concerns of the check engine light coming on and setting any of the following DTCs for Air-Fuel Ratio Imbalance: P219C, P219D, P219E or P219F. The ECM parameters for air-fuel (A/F) calculation have been revised.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.